> On Apr 19, 2016, at 00:36 , Peter Ujfalusi <peter.ujfalusi@xxxxxx> wrote: > > On 04/19/16 10:18, Rick Mann wrote: >> >>> On Apr 19, 2016, at 00:00 , Peter Ujfalusi <peter.ujfalusi@xxxxxx> >>> wrote: >>> >>> On 04/19/16 03:25, Rick Mann wrote: >>>> Thanks for the suggestions, Peter, I really appreciate the help. >>>> Here's what I get: >>>> >>>> [ 256.743991] davinci-mcasp 48038000.mcasp: Slots: 2, >>>> max_active_serializers: 1, active_serializers: 0, channels: 2 >>>> >>>> I rebuilt the 4.4.7-bone-rt-r9 kernel using Robert C Nelson's >>>> bb-kernel repo scripts. I modified sound/soc/davinci/davinci-mcasp.c to >>>> print some diagnostics. Rebooted, then executed the following. Note >>>> that BB-BONE-AUDI-02.dts is >>>> <https://github.com/RobertCNelson/bb.org-overlays/blob/master/src/arm/BB-BONE-AUDI-02-00A0.dts>, >>>> >>>> > and the base DTB is <http://pastebin.com/5vVEdAKt>: >>> >>> Looks OK. >>> >>> FWIW: I have the following patch on top of linux-next to get the BBW's >>> AudioCape RevA working: >>> https://github.com/omap-audio/linux-audio/commit/37d2421c321762360a6982b37107b617b0f74bee >> >>> >> Interesting, I'll look at that when I start modifying the DTS again. I see >> that uses the '3106. My own cape has the '3104 on it, which is why I'm >> trying to get the AudioCape RevB working (my cape has additional GPIOs >> controlling regulators and resets that I'll have to accommodate). >>> >>>> $ sudo su # echo BB-BONE-AUDI-02 > $SLOTS # aplay -l **** List of >>>> PLAYBACK Hardware Devices **** card 0: B [AudioCape Rev B], device 0: >>>> davinci-mcasp.0-tlv320aic3x-hifi tlv320aic3x-hifi-0 [] Subdevices: 1/1 >>>> Subdevice #0: subdevice #0 # speaker-test >>>> >>>> speaker-test 1.0.28 >>>> >>>> Playback device is default Stream parameters are 48000Hz, S16_LE, 1 >>>> channels Using 16 octaves of pink noise Rate set to 48000Hz (requested >>>> 48000Hz) Buffer size range from 16 to 32768 Period size range from 8 >>>> to 16384 Using max buffer size 32768 Periods = 4 Unable to set hw >>>> params for playback: Invalid argument Setting of hwparams failed: >>>> Invalid argument >>>> >>>> speaker-test caused the following to be logged: >>>> >>>> [ 256.743991] davinci-mcasp 48038000.mcasp: Slots: 2, >>>> max_active_serializers: 1, active_serializers: 0, channels: 2 >>> >>> Now this is odd... Can you print also the mcasp->num_serializer here? If >>> it is 0, then something really strange is going on. We set this up in >>> davinci_mcasp_set_pdata_from_of() when reading the serial-dir array. >> >> Yup, seems like it's 0: >> >> [ 67.876673] davinci-mcasp 48038000.mcasp: Slots: 2, >> max_active_serializers: 1, active_serializers: 0, channels: 2, >> mcasp->num_serializer: 0 [ 67.889362] davinci-mcasp 48038000.mcasp: ASoC: >> can't set 48038000.mcasp hw params: -22 > > How can it be? > can you take a look of the davinci_mcasp_set_pdata_from_of() function where > the serial-dir is set up? Do we get the of_serial_dir32? What is the size of > the array we got (val)? It seems to be 0: [ 8.411990] davinci-mcasp 48038000.mcasp: davinci_mcasp_probe: enter [ 8.453167] davinci-mcasp 48038000.mcasp: serial-dir: 0 [ 8.501317] davinci-mcasp 48038000.mcasp: invalid tdm slots: 0 [ 8.554405] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: enter [ 8.562924] davinci-mcasp 4803c000.mcasp: serial-dir: 0 [ 8.635250] davinci-mcasp 4803c000.mcasp: invalid tdm slots: 0 > BTW: can you check your mail client to wrap the lines around 78 characters? I'm sorry, it seems to be an issue with OS X Mail. There are no settings to control this, despite the fact that I have it set to send "plain-text" email. I will try to insert hard carriage returns to shorten my typed text. https://discussions.apple.com/thread/3040166?tstart=0 -- Rick Mann rmann@xxxxxxxxxxxxxxx _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
